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CONNECTIONS FOR REGULAR OR BALANCED INPUTS:
The CLASSÉ CA-150 power amplifier is equipped with both regular and balanced inputs. Either one
may be used SEPARATELY BUT NOT SIMULTANEOUSLY. The balanced inputs must be connected to a
preamplifier which has balanced main outputs, and balanced interconnects with "XLR" connectors are
also required. Regardless of the amplifier inputs used, stereo or mono operation is still possible on the
CA-150.
REGULAR INPUTS
Switch the REGULAR/BALANCED switch to the position marked "REGULAR" [UP]. (The amplifier is
factory set for regular use.) Connect the regular interconnects to the RCA input jacks on the rear panels
of the CA-150. The balanced connectors are automatically disabled.
BALANCED INPUTS
Switch the REGULAR/BALANCED switch to the position marked "BALANCED" [DOWN]. A balanced
preamplifier and balanced interconnects are also required. For use with balanced preamplifiers other
than Classé, the wiring of the 3-pin XLR connectors must be matched to that of the CLASSÉ CA-150
which are wired as follows:
PIN 1: GROUND
PIN 2: POSITIVE (NON-INVERTED) SIGNAL
PIN 3: NEGATIVE (INVERTED) SIGNAL
If the pin configuration of the preamplifier differs from above, the balanced interconnects must be
modified to accomodate the different preamp.